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Long term debt (Tables)
 12 Months Ended
Dec. 31, 2016
Debt Disclosure [Abstract]  
Schedule of long term debt
Long term debt amounts are as follows:
Current:
  
 
December 31, 2016

 
December 31, 2015

Credit Facility (note 13(b))
 
$
8,246

 
$
5,962

Less: deferred financing costs
 
(77
)
 
(60
)
 
 
$
8,169

 
$
5,902

Long term:
  

December 31, 2016


December 31, 2015

Credit Facility (note 13(b))

$
31,326


$
22,610

Series 1 Debentures (note 13(c))

—


19,927

Less: deferred financing costs
 
(60
)
 
(457
)
 

$
31,266


$
42,080
Schedule of line of credit facilities
Credit Facility
 
 
December 31, 2016

 
December 31, 2015

Term Loan
 
$
28,572

 
$
28,572

Revolver
 
11,000

 
—

Total Credit Facility
 
39,572

 
28,572

Less: current portion
 
(8,246
)
 
(5,962
)
 
 
$
31,326

 
$
22,610